Cereal container is a term used to describe the various types of containers used to store cereal. The most common type of cereal container is a BOWL, which is a four-letter word. Another popular cereal container is a BOX, which is a three-letter word. A SILO is another type of cereal container, which is a four-letter word. Finally, a GRANARY is a seven-letter word and is a large storage container used to store cereal.